pyrethroid

pyrethroid的英语例句

1. The synergistic tests showed that the synergism toward pyrethroid of 1 ( endo ) is better than 2 ( exo ).

   杀虫增效活性试验证明:内型结构 ( endo ) 1的增效活性强于外型结构 ( exo ) 2.

2. In China, pyrethroid insecticides were forbidden to apply in rice field.

   但是,在中国一直被禁止应用于水田害虫防治.

3. The results show that the pyrethroid containing 2 - imidazolidone in the structure has insecticidal activity.

   实验结果表明:将 2- 咪唑啉酮引入到拟除虫菊酯结构中,其拟除虫菊酯具有一定的杀虫活性.